Ronald De Vonn Lewis of Pontiac, Michigan departed this life on December 1, 2018.   Mr. Lewis will lie in repose on Tuesday, December 11, 2018 at Cobb's Funeral Home 151 Orchard Lake Road., Pontiac, Michigan from 12 p.m. until 8 p.m.   Mr. Lewis's Celebration of life will be held on Wednesday, December 12, 2018 at 10:30 a.m. at Cobb's Funeral Home.   The family will meet with friends at 10:00 a.m. prior to the service at the funeral home.  Mr. Lewis will be laid to rest at Great Lakes National Cemetery of Holly, Michigan.